#include<bits/stdc++.h>
using namespace std;
const int N=1e5+5;
int n,a,t[N],ans;
int main(){
    freopen("duel.in","r",stdin);
    freopen("duel.out","w",stdout);
    cin>>n;
    for(int i=0;i<n;i++)scanf("%d",&a),t[a]++,ans=max(ans,t[a]);
    cout<<ans;return 0;}
